This topic contains a solution. Click here to go to the answer

Author Question: Wave frequency is inversely proportional to a. amplitude. b. period. c. wave velocity. d. all of ... (Read 171 times)

abarnes

  • Hero Member
  • *****
  • Posts: 556
Wave frequency is inversely proportional to
 a. amplitude.
  b. period.
  c. wave velocity.
  d. all of these.

Question 2

A pure sample of 226Ra contains 2.0  1014 atoms of the isotope. If the half-life of 226Ra = 1.6  103 years, what is the decay rate of this sample? (1 Ci = 3.7  1010 decays/s)



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jackie

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

b

Answer to Question 2

7.4  108 Ci




abarnes

  • Member
  • Posts: 556
Reply 2 on: Jul 28, 2018
Excellent


bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
Gracias!

 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

For a complete list of videos, visit our video library